測定対象
地点統一番号 |
水域名 |
地点名 |
環境基準類型 |
01851 |
北上川(3) |
紫波橋 |
A |
測定結果
採取年月日 |
1992.04.16 |
1992.04.22 |
1992.05.06 |
1992.05.19 |
1992.06.03 |
1992.06.17 |
1992.07.15 |
1992.07.29 |
1992.08.04 |
1992.08.04 |
1992.08.04 |
1992.08.05 |
1992.08.26 |
1992.09.02 |
1992.09.16 |
1992.10.07 |
1992.10.21 |
1992.11.04 |
1992.11.17 |
1992.12.02 |
1992.12.16 |
1993.01.06 |
1993.01.27 |
1993.02.03 |
1993.02.24 |
1993.03.03 |
1993.03.10 |
採取時刻 |
0935 |
0940 |
0935 |
0940 |
0940 |
0945 |
0935 |
0950 |
0950 |
1550 |
2150 |
0350 |
0940 |
0955 |
0945 |
0950 |
0930 |
0940 |
0930 |
1020 |
0945 |
0925 |
0950 |
0940 |
0935 |
0945 |
0935 |
天候 |
雨 |
4 |
4 |
2 |
2 |
4 |
4 |
4 |
4 |
2 |
2 |
4 |
4 |
4 |
4 |
2 |
4 |
2 |
4 |
2 |
2 |
4 |
4 |
4 |
4 |
雪 |
4 |
気温 (℃) |
5.6 |
12.9 |
11.3 |
19.5 |
20.4 |
18.6 |
21.7 |
25.2 |
22.9 |
23.3 |
15.3 |
16.2 |
26.2 |
27.8 |
20.3 |
14.0 |
14.1 |
13.9 |
8.0 |
9.6 |
0.5 |
5.3 |
1.8 |
4.6 |
4.2 |
2.3 |
3.3 |
水温 (℃) |
6.2 |
8.0 |
9.0 |
12.0 |
14.5 |
15.5 |
20.0 |
20.0 |
19.9 |
21.5 |
19.7 |
18.2 |
22.7 |
22.5 |
17.0 |
12.3 |
11.5 |
9.5 |
7.9 |
5.8 |
4.0 |
1.3 |
2.5 |
1.8 |
2.0 |
1.8 |
2.9 |
流量 (m3/s) |
147.26 |
111.64 |
71.80 |
176.52 |
116.10 |
100.86 |
|
58.32 |
43.44 |
47.67 |
43.44 |
40.72 |
77.22 |
49.13 |
77.22 |
49.13 |
42.07 |
71.80 |
49.13 |
64.88 |
84.75 |
63.21 |
46.24 |
43.43 |
63.21 |
63.21 |
71.80 |
pH |
7.1 |
7.3 |
7.4 |
7.2 |
7.3 |
7.5 |
7.5 |
7.5 |
7.5 |
7.9 |
7.5 |
7.4 |
7.5 |
7.6 |
7.5 |
7.5 |
7.6 |
7.5 |
7.3 |
7.2 |
7.4 |
7.3 |
7.5 |
7.4 |
7.1 |
7.4 |
7.3 |
DO (mg/l) |
11 |
11 |
11 |
10 |
10 |
10 |
9 |
8.6 |
10 |
10 |
8.3 |
7.7 |
8.8 |
9.2 |
9.6 |
11 |
10 |
11 |
10 |
12 |
12 |
13 |
13 |
13 |
12 |
13 |
13 |
BOD (mg/l) |
0.9 |
1 |
1.4 |
1.1 |
1.2 |
1.5 |
2 |
0.8 |
1 |
1 |
1 |
1 |
1.1 |
1.4 |
2 |
1.2 |
1.7 |
1.3 |
0.9 |
1.1 |
1 |
1.2 |
1.7 |
1.7 |
1.1 |
0.8 |
1.1 |
COD (mg/l) |
1.8 |
|
2 |
|
1.6 |
|
|
2.1 |
2.1 |
|
|
|
|
2.3 |
|
2 |
|
2.4 |
|
1.6 |
|
1.6 |
|
1.9 |
|
1.7 |
|
SS (mg/l) |
5 |
5 |
7 |
9 |
3 |
6 |
5 |
6 |
3 |
3 |
4 |
6 |
4 |
2 |
3 |
2 |
3 |
4 |
4 |
2 |
2 |
1 |
3 |
2 |
7 |
5 |
5 |
大腸菌群数 (MPN/100ml) |
7.90E+02 |
7.90E+02 |
4.90E+03 |
7.90E+02 |
3.30E+03 |
3.30E+03 |
2.40E+04 |
4.90E+04 |
4.90E+03 |
1.70E+03 |
7.00E+04 |
1.10E+04 |
1.30E+04 |
7.90E+03 |
1.70E+04 |
3.30E+03 |
7.90E+03 |
7.90E+02 |
1.10E+03 |
1.70E+03 |
1.70E+03 |
7.90E+02 |
2.20E+03 |
7.90E+02 |
3.30E+03 |
3.30E+03 |
7.90E+02 |
全窒素 (mg/l) |
|
|
1.03 |
|
|
|
|
1.38 |
|
|
|
|
|
1.14 |
|
|
|
1.08 |
|
|
|
1.2 |
|
|
|
1.54 |
|
全燐 (mg/l) |
|
|
0.042 |
|
|
|
|
0.078 |
|
|
|
|
|
0.04 |
|
|
|
0.052 |
|
|
|
0.035 |
|
|
|
0.042 |
|
カドミウム (mg/l) |
|
< 0.005 |
|
< 0.005 |
|
< 0.005 |
< 0.005 |
|
|
|
|
|
< 0.005 |
|
< 0.005 |
|
< 0.005 |
|
< 0.005 |
|
< 0.005 |
|
< 0.005 |
|
< 0.005 |
|
< 0.005 |
全シアン (mg/l) |
|
N |
|
N |
|
N |
N |
|
|
|
|
|
N |
|
N |
|
N |
|
N |
|
N |
|
N |
|
N |
|
N |
|
|
|
|
|
|
|
|
|
|
|
|
|
N |
|
|
|
|
|
|
|
|
|
|
|
N |
|
|
鉛 (mg/l) |
|
< 0.05 |
|
< 0.05 |
|
< 0.05 |
< 0.05 |
|
|
|
|
|
< 0.05 |
|
< 0.05 |
|
< 0.05 |
|
< 0.05 |
|
< 0.05 |
|
< 0.05 |
|
< 0.05 |
|
< 0.05 |
六価クロム (mg/l) |
|
< 0.02 |
|
< 0.02 |
|
< 0.02 |
< 0.02 |
|
|
|
|
|
< 0.02 |
|
< 0.02 |
|
< 0.02 |
|
< 0.02 |
|
< 0.02 |
|
< 0.02 |
|
< 0.02 |
|
< 0.02 |
砒素 (mg/l) |
|
< 0.02 |
|
< 0.02 |
|
< 0.02 |
< 0.02 |
|
|
|
|
|
< 0.02 |
|
< 0.02 |
|
< 0.02 |
|
< 0.02 |
|
< 0.02 |
|
< 0.02 |
|
< 0.02 |
|
< 0.02 |
総水銀 (mg/l) |
|
< 0 |
|
< 0 |
|
< 0 |
< 0 |
|
|
|
|
|
< 0 |
|
< 0 |
|
< 0 |
|
< 0 |
|
< 0 |
|
< 0 |
|
< 0 |
|
< 0 |
PCB (mg/l) |
|
|
|
|
|
|
|
|
|
|
|
|
N |
|
|
|
|
|
|
|
|
|
|
|
N |
|
|
トリクロロエチレン (mg/l) |
|
|
< 0.002 |
|
|
|
|
< 0.002 |
|
|
|
|
|
|
|
|
|
< 0.002 |
|
|
|
< 0.002 |
|
|
|
|
|
テトラクロロエチレン (mg/l) |
|
|
< 0 |
|
|
|
|
< 0 |
|
|
|
|
|
|
|
|
|
< 0 |
|
|
|
< 0 |
|
|
|
|
|
鉄(溶解性) (mg/l) |
|
|
1.8 |
|
|
|
|
2.6 |
|
|
|
|
|
1.4 |
|
|
|
1 |
|
|
|
1.2 |
|
|
|
2.8 |
|